the student of Ethics, and no less the philosopher in general, must content himself with explaining and interpreting that which is given, in other words, that which really is, or takes place, so as to obtain an understanding of it, and I maintain furthermore that there is plenty to do in this direction, much more than has hitherto been done, after the lapse of thousands of years. Following the above petitio principii, Kant straightway, without any previous investigation, assumes in the preface (which is entirely devoted to the subject), that purely moral laws exist; and this assumption remains thenceforth undisturbed, and forms the very foundation of his whole system. We, however, prefer first of all to examine the conception denoted by the word “law.” The true and original meaning of the term is limited to law as between citizens; it is